com.mysql.cj.xdevapi

Class SqlMultiResult

java.lang.Object

com.mysql.cj.xdevapi.SqlMultiResult

All Implemented Interfaces:

ResultStreamer, QueryResult, FetchResult<Row>, InsertResult, Result, RowResult, SqlResult, java.lang.Iterable<Row>, java.util.Iterator<Row>

public class SqlMultiResult
extends java.lang.Object
implements SqlResult, ResultStreamer

SqlResult representing a multiple result sets.

Constructor Summary

Constructors

Constructor and Description
SqlMultiResult(java.util.function.Supplier<SqlResult> resultStream) Constructor.

Method Summary

Modifier and Type	Method and Description
long	count() How many items are in this result? This method forces internal buffering of the entire result.
java.util.List<Row>	fetchAll() Create a list of all elements in the result forcing internal buffering.
void	finishStreaming() Finish the result streaming.
long	getAffectedItemsCount() Get the count of affected items from manipulation statements.
java.lang.Long	getAutoIncrementValue() Get the auto-increment value if one was generated from a row insert statement.
int	getColumnCount() Count of columns.
java.util.List<java.lang.String>	getColumnNames() Names of columns.
java.util.List<Column>	getColumns() Metadata.
java.util.Iterator<Warning>	getWarnings() Get warnings generated during statement execution.
int	getWarningsCount() Get the number of warnings generated during statement execution.
boolean	hasData() Does this result have data? This indicates that the result was produced from a data-returning query.
boolean	hasNext()
Row	next()
boolean	nextResult() Move to the next result.

Methods inherited from class java.lang.Object

clone, equals, finalize, getClass, hashCode, notify, notifyAll, toString, wait, wait, wait

Methods inherited from interface com.mysql.cj.xdevapi.FetchResult

fetchOne, iterator

Methods inherited from interface java.util.Iterator

forEachRemaining, remove

Methods inherited from interface java.lang.Iterable

forEach, spliterator

Constructor Detail

SqlMultiResult

public SqlMultiResult(java.util.function.Supplier<SqlResult> resultStream)

Constructor.

Parameters:

resultStream - Supplies the result stream depending on query type. Could be SqlSingleResult, SqlUpdateResult etc.

Method Detail

nextResult

public boolean nextResult()

Description copied from interface: SqlResult

Move to the next result. This method has no effect after returning false for the first time.

Specified by:

nextResult in interface SqlResult

Returns:

was there a next result that we moved to?

finishStreaming

public void finishStreaming()

Description copied from interface: ResultStreamer

Finish the result streaming. This happens if a new command is started or the warnings/etc are requested. This is safe to call multiple times and only has an effect the first time.

Specified by:

finishStreaming in interface ResultStreamer

hasData

public boolean hasData()

Description copied from interface: FetchResult

Does this result have data? This indicates that the result was produced from a data-returning query. It does not indicate whether there are more than 0 rows in the result.

Specified by:

hasData in interface FetchResult<Row>

Returns:

true if has data

getAffectedItemsCount

public long getAffectedItemsCount()

Description copied from interface: Result

Get the count of affected items from manipulation statements. This method forces internal buffering of the result.

Specified by:

getAffectedItemsCount in interface Result

Returns:

count

getAutoIncrementValue

public java.lang.Long getAutoIncrementValue()

Description copied from interface: InsertResult

Get the auto-increment value if one was generated from a row insert statement.

Specified by:

getAutoIncrementValue in interface InsertResult

Specified by:

getAutoIncrementValue in interface SqlResult

Returns:

auto-increment value

getWarningsCount

public int getWarningsCount()

Description copied from interface: Result

Get the number of warnings generated during statement execution. This method forces internal buffering of the result.

Specified by:

getWarningsCount in interface Result

Returns:

number of warnings

getWarnings

public java.util.Iterator<Warning> getWarnings()

Description copied from interface: Result

Get warnings generated during statement execution. This method forces internal buffering of the result.

Specified by:

getWarnings in interface Result

Returns:

iterator over warnings

getColumnCount

public int getColumnCount()

Description copied from interface: RowResult

Count of columns.

Specified by:

getColumnCount in interface RowResult

Returns:

count

getColumns

public java.util.List<Column> getColumns()

Description copied from interface: RowResult

Metadata.

Specified by:

getColumns in interface RowResult

Returns:

list of result Column objects

getColumnNames

public java.util.List<java.lang.String> getColumnNames()

Description copied from interface: RowResult

Names of columns.

Specified by:

getColumnNames in interface RowResult

Returns:

list of result column names

count

public long count()

Description copied from interface: FetchResult

How many items are in this result? This method forces internal buffering of the entire result.

Specified by:

count in interface FetchResult<Row>

Returns:

number of elements in result

fetchAll

public java.util.List<Row> fetchAll()

Description copied from interface: FetchResult

Create a list of all elements in the result forcing internal buffering.

Specified by:

fetchAll in interface FetchResult<Row>

Returns:

list of result elements

next

public Row next()

Specified by:

next in interface java.util.Iterator<Row>

hasNext

public boolean hasNext()

Specified by:

hasNext in interface java.util.Iterator<Row>